Identification of the Relative Distribution of Rare-Earth Ions in Phosphate Glasses

Richard A. Martin, Philip S. Salmon, Henry E. Fischer, Gabriel J. Cuello

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The relative distribution of rare-earth ions [Formula presented] ([Formula presented] or [Formula presented]) in the phosphate glass [Formula presented] was measured by employing the method of isomorphic substitution in neutron diffraction. It is found that 7.9(7) [Formula presented] nearest neighbors reside at 5.62(6) Å in a network made from interlinked [Formula presented] tetrahedra. Provided that the role of Al is explicitly considered, a self-consistent account of the local matrix atom correlations can be developed in which there are 1.68(9) bridging and 2.32(9) terminal oxygen atoms per phosphorus.

Original languageEnglish
Article number185501
Number of pages1
JournalPhysical Review Letters
Issue number18
Publication statusPublished - 9 May 2003

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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